Worried about trailer theft? No problem, we've got you covered. Use a Tractor Supply Adjustable Coupler Lock to secure your coupler and enjoy a sense of peace of mind. With its 1/4 in. size pin, this lock is compatible with most trailer couplers. It has multiple slots to allow for the desired adjustable length and features a highly visible silvery color that helps deter thieves. Made with a protective burnished nickel body, this is a durable coupler lock you can rely on. A set of 2 keys comes included, allowing you to stash away a spare for safekeeping. Looking for more trailer couplers and accessories? Check out Tractor Supply's Towing Program for towing parts that meet your needs today.